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View picture in original size
Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

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Fig. 5

Mido 00917P

Features
automatic
sweep second

Data
10.5''', Do= 24.5mm
H= 5.5mm
T= 1.6mm
17 jewels
f = 18000 A/h
power reserve 41h

Balance staff U1698

Stem W2058

Mainspring / battery
Zf931, 1.35 x 8.0 x 0.09 x 250mm

Hands
1.30 x 0.84 x 0.21mm

Comments about the data

Remarks
1954-1960
exclusively for Mido with base plate of the AS 1131/1132
option: black rhodium plating (charcoal, slight mauve)
option: Fonto regulator with mobile stud carrier and adjustustable regulator pin-width
The only large-scale produced regulator featuring a free oscillating hairspring. The end of the spring is fixed between two rollers, adjusting actually its length (Fig.4, 5). No isochronism error by the gap between the regulator pins.

family/generations:
10.5''':
00916P: rotor, sub second
00917P: rotor, sweep second
11'':
0915: manual wind, sweep second
0916: bumper, sub second
0916P: rotor, sub second
0917: bumper, sweep second
0917P: rotor, sweep second
0917PC: rotor, sweep second, date
12''':
916P: rotor, sub second
917P: rotor, sweep second
917PO: same, especially for Ocean Star
917R: same, extra quality
917PC: rotor, sweep second, date
917PCO: same, especially for Ocean Star
917RC: same, extra quality
12.5''':
916: bumper, sub second
917: bumper, sweep second

Example, year: signature; shock device
1957: Mido Limited, 0917 P, Swiss, 17 Jewels - Brevet+; Incabloc
(Mido 0917P, 11''', black rhodium, Incastar)

Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft


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